Ultrasonic vibration sieving apparatus and process for purifying

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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Details

209270, 209379, 210748, 210785, C09C 156

Patent

active

046938796

ABSTRACT:
A process for purifying carbon black which contains solid impurities by removing the solid impurities thererom, which process comprises suspending said carbon black uniformly in water to obtain a carbon black aqueous slurry and subjecting the slurry to sieving treatment by an ultrasonic vibration sieving apparatus.

REFERENCES:
patent: 3490584 (1970-01-01), Balamuth

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